An idler's miscellany of compendious amusements

As Time Goes By

A piano keyboard can be used as a calendar mnemonic: If the notes in the chromatic scale from F to E are assigned to the calendar months from January to December, then the white keys correspond to months with 31 days, the black keys to those with 30 days or fewer.

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Futility Closet is a collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.

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